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• 000 00711nam a2200205 a 4500

• 001 0000320916

• 005 20190828184800.0

• 008 070910s1968 dcu i 000 0 eng

• 020 __ |c CNY12.80

• 040 __ |a CAU |c CAU

• 090 __ |a N18-7/IPI/(1967)

• 090 __ |a N18-7/USP/(1967)/V.1

• 093 __ |a N18-7 |2 5

• 110 2_ |a United States. |b Patent office.

• 245 00 |a Index of patents issued from the United States Patent, 1967. |n Part I, |p List of patentees.

• 260 __ |a Washington : |b U.S.Government printing office, |c 1968.

• 300 __ |a 1539 p. ; |c 27 cm.

• 500 __ |a "For sale by the Superintendent of documents, U. S. Government Printing office, Washington, D. C."

• 650 _0 |a Patents |z United States.

• 920 __ |a 211180 |z 1