US6481869B1
(en )
2002-11-19
Portable electric torch with double lighting and focussing adjustment
JP2007529870A5
(enExample )
2008-04-24
US5310336A
(en )
1994-05-10
Lighter
GB831830A
(enExample )
US2745042A
(en )
1956-05-08
Automatic ignition mechanism for gas burners
US2393411A
(en )
1946-01-22
Heating apparatus
US953985A
(en )
1910-04-05
Automatic gas ignition and control.
US2262760A
(en )
1941-11-18
Lamp sealing apparatus
CN208779212U
(zh )
2019-04-23
基于智能空开工业智能照明系统
CN209196754U
(zh )
2019-08-02
一种氙气变色灯
US3983384A
(en )
1976-09-28
Combination lantern
US810384A
(en )
1906-01-23
Electric lamplighter.
US603661A
(en )
1898-05-10
Gas-burner
GB841036A
(enExample )
KR102446705B1
(ko )
2022-10-20
가스 가로등
GB190305698A
(en )
1903-08-13
Improvements in Lamps with Electric Lighting Device and Supplemental Wick.
US962113A
(en )
1910-06-21
Automatic gas ignition and control.
GB190625283A
(en )
1907-07-25
Improvements in the Construction of Apparatus for Electrically Igniting Miners' Safety Lamps in Mines.
US591071A
(en )
1897-10-05
Adrian livingston bogaet
US1418553A
(en )
1922-06-06
Searchlight apparatus
GB804288A
(en )
1958-11-12
Improvements in or relating to miners' safety lamps
GB190211644A
(en )
1903-02-12
Improvements in Lighting Devices for Incandescent Gas Burners.
GB1059997A
(en )
1967-02-22
An oil combustion apparatus
GB664267A
(en )
1952-01-02
Improvements in gas lighting devices
US742024A
(en )
1903-10-20
Automatic gas-lighting apparatus.