Patent act 1970 :
Law
Patent act 1970 : with patent rules 1972 - Allahabad Law publishers pvt ltd 1998 - 171 p.
Law
346.048 6 / LAW
Patent act 1970 : with patent rules 1972 - Allahabad Law publishers pvt ltd 1998 - 171 p.
Law
346.048 6 / LAW