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发明名称
Inflatable head-covering hood
摘要
申请公布号
US2632176(A)
申请公布日期
1953.03.24
申请号
US19490093465
申请日期
1949.05.16
申请人
MITCHELL WILFRED M
发明人
MITCHELL WILFRED M.
分类号
A42B1/04
主分类号
A42B1/04
代理机构
代理人
主权项
地址
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