机读格式显示(MARC)

• 000 01031nam0 2200253 450

• 001 0000703071

• 005 20221019211400.0

• 010 __ |d CNY0.17

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• 200 1_ |a 峰峰缓倾斜厚煤层倾斜分层人工假顶下行陷落法 |A Feng Feng Huan Qing Xie Hou Mei Ceng Qing Xie Fen Ceng Ren Gong Jia Ding Xia Xing Xian Luo Fa |9 feng feng huan qing xie hou mei ceng qing xie fen ceng ren gong jia ding xia xing xian luo fa |f 峰峰矿务局编

• 210 __ |a 北京 |c 煤炭工业出版社 |d 1958

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• 606 0_ |a 缓倾斜厚煤层采煤法:陷落采煤法 |A Huan Qing Xie Hou Mei Ceng Cai Mei Fa : Xian Luo Cai Mei Fa

• 606 0_ |a 陷落采煤法:缓倾斜厚煤层采煤法 |A Xian Luo Cai Mei Fa : Huan Qing Xie Hou Mei Ceng Cai Mei Fa

• 690 __ |a TD823.21 |v 3

• 711 02 |a 峰峰矿务局 |A Feng Feng Kuang Wu Ju |9 feng feng kuang wu ju |4 编

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• 905 __ |a SYXY |d TD823.21/2