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发明名称
AUTOMATIC BROADCAST INSTALLATION AT BUILDING WORK SITE
摘要
申请公布号
JPH04200124(A)
申请公布日期
1992.07.21
申请号
JP19900334556
申请日期
1990.11.29
申请人
TAKENAKA KOMUTEN CO LTD;SANYOU DENKI SHIYOUJI KK;SHINWA TSUUSHINKI KK
发明人
HIRANO YOSHIKAZU;TANIGUCHI SATOSHI;OKAZAKI NAOTO;KOBAYASHI KENZO;KONO OSAMU;KAWASAKI YUZO;MORIMATSU KANJI;FUJIWARA SHOICHIRO
分类号
H04H20/00;H04H60/07
主分类号
H04H20/00
代理机构
代理人
主权项
地址
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