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发明名称
Bleistift mit Beleuchtungseinrichtung.
摘要
申请公布号
CH171405(A)
申请公布日期
1934.08.31
申请号
CHD171405
申请日期
1933.06.24
申请人
SPAEHNI,EMIL
发明人
SPAEHNI,EMIL
分类号
B43K29/10
主分类号
B43K29/10
代理机构
代理人
主权项
地址
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