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发明名称
PROJECTION LANTERN WITH A RAMP FOR STRAIGHT AND CIRCULAR SLIDE MAGAZINES
摘要
申请公布号
PL102445(B1)
申请公布日期
1979.03.31
申请号
PL19770199132
申请日期
1977.06.23
申请人
发明人
分类号
G02B;G03B21/08;(IPC1-7):G03B21/08
主分类号
G02B
代理机构
代理人
主权项
地址
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