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发明名称
Rubber calender
摘要
申请公布号
US1751116(A)
申请公布日期
1930.03.18
申请号
US19280307765
申请日期
1928.09.22
申请人
WELTON PARK E
发明人
WELTON PARK E.
分类号
B29B7/56;B29B7/62
主分类号
B29B7/56
代理机构
代理人
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地址
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