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公开(公告)号:US2274729A
公开(公告)日:1942-03-03
申请号:US31355740
申请日:1940-01-12
Applicant: PITTSBURGH PLATE GLASS CO
Inventor: WILLIAM OWEN
CPC classification number: C03C17/10 , B65G49/067
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公开(公告)号:US2268269A
公开(公告)日:1941-12-30
申请号:US25449639
申请日:1939-02-03
Applicant: PITTSBURGH PLATE GLASS CO
Inventor: TONEY EDWARD F , WILLIAM OWEN
CPC classification number: E06B3/64 , E06B1/38 , Y10T24/307
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73.Process and apparatus for the manufacture of hollow building units 失效
Title translation: 用于制造空心建筑单元的工艺和设备公开(公告)号:US2254086A
公开(公告)日:1941-08-26
申请号:US17437437
申请日:1937-11-13
Applicant: PITTSBURGH PLATE GLASS CO
Inventor: WILLIAM OWEN
IPC: C03B23/24
CPC classification number: C03B23/24
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公开(公告)号:US2239537A
公开(公告)日:1941-04-22
申请号:US26553539
申请日:1939-04-01
Applicant: PITTSBURGH PLATE GLASS CO
Inventor: WILLIAM OWEN
IPC: E04C1/42
CPC classification number: E04C1/42
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公开(公告)号:US2223122A
公开(公告)日:1940-11-26
申请号:US16626737
申请日:1937-09-29
Applicant: PITTSBURGH PLATE GLASS CO
Inventor: WILLIAM OWEN
IPC: C03B25/12
CPC classification number: C03B25/12
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公开(公告)号:US2219699A
公开(公告)日:1940-10-29
申请号:US27809739
申请日:1939-06-08
Applicant: PITTSBURGH PLATE GLASS CO
Inventor: WILLIAM OWEN
IPC: E06B3/28
CPC classification number: E06B3/28 , Y10T292/11
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公开(公告)号:US2205539A
公开(公告)日:1940-06-25
申请号:US21514238
申请日:1938-06-22
Applicant: PITTSBURGH PLATE GLASS CO
Inventor: WILLIAM OWEN
IPC: F26B13/10
CPC classification number: F26B13/102
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公开(公告)号:US2159673A
公开(公告)日:1939-05-23
申请号:US17520537
申请日:1937-11-18
Applicant: PITTSBURGH PLATE GLASS CO
Inventor: WILLIAM OWEN
IPC: E06B1/38
CPC classification number: E06B1/38
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公开(公告)号:US2128714A
公开(公告)日:1938-08-30
申请号:US15892037
申请日:1937-08-13
Applicant: PITTSBURGH PLATE GLASS CO
Inventor: WILLIAM OWEN
IPC: C25D7/08
CPC classification number: C25D7/08
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公开(公告)号:US2128713A
公开(公告)日:1938-08-30
申请号:US15891937
申请日:1937-08-13
Applicant: PITTSBURGH PLATE GLASS CO
Inventor: WILLIAM OWEN
IPC: C25D7/08
CPC classification number: C25D7/08
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