FR403835A
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1909-11-15
Automatic control device for steam boiler feeders
CH7140A
(en )
1894-01-31
Automatic feed regulator for steam boilers
FR351198A
(en )
1905-07-05
Feeding device for steam boilers
FR424049A
(en )
1911-05-03
Automatic feeding device for steam boilers
FR16070E
(en )
1912-11-14
Automatic feeding device for steam boilers
FR319947A
(en )
1902-11-27
Automatic feeding system for steam boilers
FR352473A
(en )
1905-08-11
Automatic feeder for steam boilers
FR341151A
(en )
1904-08-01
Automatic feed regulator for steam boilers
FR344338A
(en )
1904-10-31
Automatic feeding device for boilers or tanks
FR382812A
(en )
1908-02-17
Adjustment device for feeding steam boilers
FR360333A
(en )
1906-04-19
Automatic device for priming electric steam appliances
FR353635A
(en )
1905-09-15
Automatic control device operating at predetermined times
FR409925A
(en )
1910-05-06
Automatic feed regulator for steam boilers
FR328278A
(en )
1903-07-09
Steam supply device for boilers with instantaneous steam generation
FR472774A
(en )
1914-12-17
Automatic feeding system for steam boilers
FR384332A
(en )
1908-04-04
Automatic feed regulator for steam boilers
FR2591E
(en )
1904-05-20
Automatic steam boiler feed regulator
FR376166A
(en )
1907-08-02
Device for the automatic feeding of steam boilers
FR363347A
(en )
1906-07-26
Control device for steam turbines
FR341685A
(en )
1904-08-17
Steam boiler feed device
FR345608A
(en )
1904-12-06
Stopping device for joysticks and control levers
FR477026A
(en )
1915-09-17
Automatic feed regulator for steam boilers
FR423981A
(en )
1911-05-02
Feeding device for tapping machines
FR418919A
(en )
1910-12-22
Device for automatic boiler feed
FR381838A
(en )
1908-01-22
Control device for the distribution mechanism of mining machines