机读格式显示(MARC)

• 000 00959nam 2200313 i 4500

• 001 0000398999

• 003 SCNU

• 005 20110526154130.0

• 008 771223s1978 dcua b 001 0 eng

• 010 __ |a 77028097

• 020 __ |a 0841203474

• 040 __ |c WUL

• 041 0_ |a eng

• 050 0_ |a QD39.2 |b .M38

• 082 __ |a 346/.73/0486

• 093 __ |a O6-18 |2 4

• 099 __ |a CAL 022000332295 |a CAL 022000377973

• 100 1_ |a Maynard, John T., |d 1919-1977.

• 245 10 |a Understanding chemical patents : |b a guide for the inventor / |c John T. Maynard.

• 260 __ |a Washington : |b American Chemical Society, |c 1978.

• 300 __ |a vi, 146 p. : |b ill. ; |c 24 cm.

• 504 __ |a Includes bibliographical reference (p. 119-122) and index.

• 650 _0 |a Chemistry |x Patents.

• 950 __ |a SCNU |f O6-18/M471

• 998 __ |a WUL

• 999 __ |t E |A zxq |a 20110526 15:40:51 |G unknown |g 19980101 |M zxq |m 20110527 15:10:58

• 000 1000012429

• 991 __ |a 022005007942

• 907 __ |a SCNU |f O6-18/M471