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经营范围
发明名称
Tapping apparatus
摘要
申请公布号
US2024390(A)
申请公布日期
1935.12.17
申请号
US19330652558
申请日期
1933.01.19
申请人
MICHAEL ROESCH FRED
发明人
ROESCH FRED MICHAEL
分类号
B23B41/08;F16L41/06
主分类号
B23B41/08
代理机构
代理人
主权项
地址
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