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发明名称
Mask-cleaning machine
摘要
申请公布号
US2772683(A)
申请公布日期
1956.12.04
申请号
US19520299540
申请日期
1952.07.18
申请人
HARRY SZCZEPANSKI
发明人
SZCZEPANSKI HARRY
分类号
B44D3/00
主分类号
B44D3/00
代理机构
代理人
主权项
地址
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