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经营范围
发明名称
Apparatus for underwater photography
摘要
申请公布号
US2358231(A)
申请公布日期
1944.09.12
申请号
US19410405870
申请日期
1941.08.07
申请人
FENIMORE JOHNSON ELDRIDGE R
发明人
JOHNSON ELDRIDGE R. FENIMORE
分类号
G03B17/08
主分类号
G03B17/08
代理机构
代理人
主权项
地址
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