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发明名称
Method of forging a slotted bolt
摘要
申请公布号
US2770818(A)
申请公布日期
1956.11.20
申请号
US19550505239
申请日期
1955.05.02
申请人
BURNDY ENGINEERING CO., INC.
发明人
LEE MARVIN;PELLIER CHRISTIAN V.
分类号
B21K1/44
主分类号
B21K1/44
代理机构
代理人
主权项
地址
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