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发明名称
Internal combustion hammer
摘要
申请公布号
US1997072(A)
申请公布日期
1935.04.09
申请号
US19310550188
申请日期
1931.07.11
申请人
GAS TOOL PATENTS CORPORATION
发明人
MOULD JAMES A.
分类号
B25D9/10
主分类号
B25D9/10
代理机构
代理人
主权项
地址
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