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公开(公告)号:USD341798S
公开(公告)日:1993-11-30
申请号:US909460
申请日:1992-07-06
Applicant: Yutaka Murata , Kiyoshi Takagi
Designer: Yutaka Murata , Kiyoshi Takagi
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公开(公告)号:USD305415S
公开(公告)日:1990-01-09
申请号:US72624
申请日:1987-07-13
Applicant: Takeo Miura , Kiyoshi Takagi , Seiji Higashihara
Designer: Takeo Miura , Kiyoshi Takagi , Seiji Higashihara
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公开(公告)号:US3038786A
公开(公告)日:1962-06-12
申请号:US85983759
申请日:1959-12-16
Applicant: KIZO HIRATSUKA , SHIRO MATSUMURA , MASATSNGI MATSNDA , KIYOSHI TAKAGI , ZENICHIRO KASAWARA , TADAO OONO , TETSUYA ABE , NORIAKI OZAWA
Inventor: KIZO HIRATSUKA , SHIRO MATSUMURA , MASATSNGI MATSNDA , KIYOSHI TAKAGI , ZENICHIRO KASAWARA , TADAO OONO , TETSUYA ABE , NORIAKI OZAWA
IPC: C01B15/023
CPC classification number: C01B15/023
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