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with change-speed gearing
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Industry
CPC
B61C9/32
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Parent Industries
B
PERFORMING OPERATIONS TRANSPORTING
B61
Railways
B61C
LOCOMOTIVES MOTOR RAILCARS
B61C9/00
Locomotives or motor railcars characterised by the type of transmission system used Transmission systems specially adapted for locomotives or motor railcars
Current Industry
B61C9/32
with change-speed gearing
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Patents Grants
last 30 patents
Information
Patent Grant
2265854
Patent number
2,265,854
Issue date
Dec 9, 1941
B61 - RAILWAYS
Patents Applications
last 30 patents
Information
Patent Application
VIBRATION AND TEMPERATURE INTERGRATED SENSOR
Publication number
20200326228
Publication date
Oct 15, 2020
FATRI (Xiamen) Technologies, Co., Ltd.
Yongzhong Nie
H01 - BASIC ELECTRIC ELEMENTS