US4463245A
(en )
1984-07-31
Plasma cutting and welding torches with improved nozzle electrode cooling
US4074110A
(en )
1978-02-14
Hand held electric heating device
KR900008898A
(ko )
1990-06-04
피복된 전기 가열 소자 조립체
US3141087A
(en )
1964-07-14
Battery powered electric soldering iron
GB541199A
(enExample )
US2112068A
(en )
1938-03-22
Soldering iron
US1438497A
(en )
1922-12-12
Means for holding electrodes used in soldering and depositing metals by the electric rc
US1928517A
(en )
1933-09-26
Electrode holder
KR930009694A
(ko )
1993-06-21
용접 및 절단용 토치에 사용되는 피복된 헤드 조립체와 그 조립 방법
SU176786A1
(ru )
Электрический
US1880940A
(en )
1932-10-04
Tool
GB557716A
(enExample )
US908238A
(en )
1908-12-29
Automatic electric gas-range lighter.
US2809360A
(en )
1957-10-08
Arc-quenching electrical connector
US727468A
(en )
1903-05-05
Electric curling-iron.
US1045615A
(en )
1912-11-26
Electric soldering-iron.
CN209822588U
(zh )
2019-12-20
一种半圆头方颈螺栓固定设计的高压熔断器
GB156445A
(enExample )
1900-01-01
US552498A
(en )
1895-12-31
Electric-arc incandescent lamp
US2130208A
(en )
1938-09-13
Sparking plug
US1493986A
(en )
1924-05-13
Cigar lighter
US2413519A
(en )
1946-12-31
Electrical plug and socket connection
US1295285A
(en )
1919-02-25
Electric gas-lighter.
US1310696A
(en )
1919-07-22
Rheostat
GB191501600A
(en )
1915-06-03
Improvements in Electric Couplings.