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发明名称
Reel mechanism
摘要
申请公布号
US2663512(A)
申请公布日期
1953.12.22
申请号
US19470759952
申请日期
1947.07.10
申请人
CROWN CORK & SEAL COMPANY, INC.
发明人
JR. JOHN E. ERHARDT,
分类号
B21C47/04
主分类号
B21C47/04
代理机构
代理人
主权项
地址
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