-
11.Method of forming carbide coated coiled filaments for lamps 失效
Title translation: 形成用于灯的碳化物涂覆的卷绕长丝的方法公开(公告)号:US3237284A
公开(公告)日:1966-03-01
申请号:US17090762
申请日:1962-02-05
Applicant: POLAROID CORP
Inventor: BIRD GEORGE R
IPC: H01K3/02
CPC classification number: H01K3/02 , Y10T29/49071
-
12.Gas microcell in the form of a light pipe for use with an infrared spectrometer 失效
Title translation: 用于与红外光谱仪一起使用的光管形式的气体微细胞公开(公告)号:US3120608A
公开(公告)日:1964-02-04
申请号:US10600861
申请日:1961-04-27
Applicant: POLAROID CORP
Inventor: BIRD GEORGE R
IPC: G01N21/03
CPC classification number: G01N21/0303
-