Twelfth annual report of the Controller-General of Patents, designs and trade marks under Section 155 of the Patent Act, 1970 (39 of 1970) 1983-84

ग्रंथसूची विवरण
मुख्य लेखक: India. Controller-General of Patents
स्वरूप: पुस्तक
भाषा:अज्ञात या अवैध भाषा
अंग्रेज़ी
प्रकाशित: The author 1983