35
Business management analysis or business consultancy; business management; marketing research or analysis; providing information concerning commercial sales; office functions, namely filing, in particular documents or magnetic tapes; compilation of information into computer databases; Providing business assistance to others in the operation of data processing apparatus namely, computers, typewriters, telex machines and other similar office machines; rental of typewriters, copying machines and word processors; providing commercial information and advice for consumers in the choice of goods and services; retail services or wholesale services for electrical and magnetic measuring instruments, electric communications apparatus and instruments, electric converters and electric phase modifiers and batteries; retail services or wholesale services for photographic machines and apparatus and photographic supplies; database retrieval by network for others; consulting on business management for obtaining certification of international standards, or providing information thereon
37
Repair or maintenance of office machines and equipment; repair or maintenance of electronic machines and apparatus; repair or maintenance of telecommunication machines and apparatus [other than telephone apparatus, radio receivers and television receivers]
42
Designing of machines, apparatus, instruments [including their parts] or systems composed of such machines, apparatus and instruments; computer software design, computer programming, or maintenance of computer software; technological advice relating to computers, automobiles and industrial machines; rental of computers; rental of image scanners; providing computer programs on data networks; computer design; introduction and configuration of computer programs for others; consultancy relating to the design and creation of computer programs; communication network system design and planning mainly for building an in-house network linked with an external network; encryption of identity verification in network data communication; issuance of digital certificates for digital signatures to prove the creation date and time and non-tampering of a document or data digitized in communication by a computer terminal, by the encryption method of program