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发明名称
Spray mask
摘要
申请公布号
US2435721(A)
申请公布日期
1948.02.10
申请号
US19430497175
申请日期
1943.08.03
申请人
WERNER LEHMANN
发明人
LEHMANN WERNER
分类号
A62B18/02
主分类号
A62B18/02
代理机构
代理人
主权项
地址
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