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发明名称
Seam roller
摘要
申请公布号
US2467690(A)
申请公布日期
1949.04.19
申请号
US19460652718
申请日期
1946.03.07
申请人
WILLIAM PARKINSON
发明人
PARKINSON WILLIAM
分类号
B44C7/08
主分类号
B44C7/08
代理机构
代理人
主权项
地址
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