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发明名称
Photographic contact printing apparatus
摘要
申请公布号
GB657325(A)
申请公布日期
1951.09.19
申请号
GB19480023291
申请日期
1948.09.03
申请人
LODEWISK PIETER FRANS VAN DER GRINTEN;PIETER ANTOON WILLEM VAN DER GRINTEN;KAREL JAN JOZEF VAN DER GRINTEN
发明人
分类号
G03B27/22
主分类号
G03B27/22
代理机构
代理人
主权项
地址
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