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经营范围
发明名称
Internal combustion hammer
摘要
申请公布号
US2273095(A)
申请公布日期
1942.02.17
申请号
US19390289547
申请日期
1939.08.11
申请人
CHICAGO PNEUMATIC TOOL COMPANY
发明人
FITCH CLIFFORD E.
分类号
B25D9/10;E01B27/14;E21B1/34
主分类号
B25D9/10
代理机构
代理人
主权项
地址
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