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发明名称
Improvements in or relating to screen cloth and method of making same
摘要
申请公布号
GB534665(A)
申请公布日期
1941.03.13
申请号
GB19390025443
申请日期
1939.09.08
申请人
RICHARD DEAN HELLER
发明人
分类号
B07B1/48
主分类号
B07B1/48
代理机构
代理人
主权项
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