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发明名称
PORTABLE DARKROOM
摘要
申请公布号
US4083061(A)
申请公布日期
1978.04.04
申请号
US19760680147
申请日期
1976.04.26
申请人
BARROWS, GEORGE H.
发明人
BARROWS, GEORGE H.
分类号
G03D17/00;(IPC1-7):G03D17/00
主分类号
G03D17/00
代理机构
代理人
主权项
地址
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