机读格式显示(MARC)

• 000 00749nam a2200229 a 4500

• 001 0000572120

• 003 CAL

• 005 20190727092000.0

• 008 850605s1984 gw i 000 0 eng

• 010 __ |a 85162763

• 020 __ |a 3452200299 (pbk.)

• 040 __ |d FDU |c FDU

• 090 __ |a G255.53/OCI

• 093 __ |a G255.53 |2 4

• 099 __ |a CAL 022000909767

• 245 00 |a Official catchword index to the fourth edition (1984) of the International patent classification / |c World Intellectual Property Organization.

• 260 __ |a Mu?nchen : |b C. Heymann, |c c1984.

• 300 __ |a 335 p. ; |c 24 cm.

• 650 _0 |a Patents |x Classification |x Indexes.

• 710 2_ |a World Intellectual Property Organization.

• 710 2_ |a International patent classification.

• 920 __ |a 211180 |z 1