火焰式热风机井筒保温法的设计与应用

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Bibliographic Details
Main Authors: 朱壁华 (朱壁华,孙恒编); 孙恒
Published: 煤炭工业出版社
Publisher Address: 北京
Publication Dates: 1959
Literature type: Book
Language: Chinese
Subjects:
Carrier Form: 25页: 表,图 ; 19cm
Index Number: TD727
CLC: TD727
Call Number: 469.168/2974