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发明名称
Dandy roll and cylinder mold and method of making same
摘要
申请公布号
US2117222(A)
申请公布日期
1938.05.10
申请号
US19360060269
申请日期
1936.01.22
申请人
SINCLAIR PETER S
发明人
SINCLAIR PETER S.
分类号
D21F1/46
主分类号
D21F1/46
代理机构
代理人
主权项
地址
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