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发明名称
Rufnummernsucher.
摘要
申请公布号
CH174222(A)
申请公布日期
1934.12.31
申请号
CHD174222
申请日期
1933.11.02
申请人
FRIEDRICH MERK TELEFONBAU AKTIENGESELLSCHAFT
发明人
AKTIENGESELLSCHAFT FRIEDRICH MERK TELEFONBAU
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