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发明名称
Apparatus for forming corrugations
摘要
申请公布号
US2975821(A)
申请公布日期
1961.03.21
申请号
US19530391472
申请日期
1953.11.12
申请人
JOHNS-MANVILLE CORPORATION
发明人
RUTTER DONALD P.;CIMOCHOWSKI ANTHONY E.
分类号
B21D13/02
主分类号
B21D13/02
代理机构
代理人
主权项
地址
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