Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Chemical
Patent
1986-04-16
1989-10-31
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Chemical
D24 11
Patent
active
D03043070
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patent: 4692308 (1987-09-01), Riley
Nagai Yawara
Ushikubo Masao
Yoshinari Shigeru
Holtje Nelson C.
Olympus Optical Co,. Ltd.
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