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发明名称
Improvements in or relating to the extinction of subterranean fires
摘要
申请公布号
GB573218(A)
申请公布日期
1945.11.12
申请号
GB19430005184
申请日期
1943.03.31
申请人
THE CEMENTATION COMPANY LIMITED;ABRAM RUPERT NEELANDS;WILLIAM ASHTON PICKERSGILL
发明人
分类号
A62C3/02;E21F5/00
主分类号
A62C3/02
代理机构
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