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发明名称
Perfectionnements aux tubes ou récipients à décharge et à leur procédé de fabrication
摘要
申请公布号
FR777318(A)
申请公布日期
1935.02.16
申请号
FRD777318
申请日期
1933.11.10
申请人
ETTS-CLAUDE-PAZ & SILVA
发明人
分类号
H01J61/42
主分类号
H01J61/42
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