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发明名称
Supporting spool for spirally coiled film in film developing devices
摘要
申请公布号
US2243453(A)
申请公布日期
1941.05.27
申请号
US19390298191
申请日期
1939.10.06
申请人
GENERAL ANILINE & FILM CORPORATION
发明人
BUSSE FERDINAND
分类号
G03D13/14
主分类号
G03D13/14
代理机构
代理人
主权项
地址
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