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发明名称
Method of making a matrix for molds
摘要
申请公布号
US3341933(A)
申请公布日期
1967.09.19
申请号
US19620228347
申请日期
1962.10.04
申请人
BRUCE MCPHADEN
发明人
MCPHADEN BRUCE;MADDOX JAMES R.
分类号
B29C33/42;B29D30/06
主分类号
B29C33/42
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代理人
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