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发明名称
Apparatus for cutting circumferential grooves
摘要
申请公布号
US2630732(A)
申请公布日期
1953.03.10
申请号
US19500139390
申请日期
1950.01.19
申请人
SHELLMAR PRODUCTS CORPORATION
发明人
PIAZZE THOMAS E.
分类号
B23B27/12
主分类号
B23B27/12
代理机构
代理人
主权项
地址
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