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US2029487A
(en)
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Illuminated cautery electrode
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BE360609A
(en:Method)
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GB706958A
(en)
|
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Improvements in or relating to travelling wave tubes
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US2099111A
(en)
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Gaseous discharge device
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CN109817499A
(zh)
|
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高功率密度水冷阳极
|
|
US5028845A
(en)
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High-pressure series arc discharge lamp construction
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KR100596949B1
(ko)
|
|
방전 램프용 점화 장치
|
|
US4275375A
(en)
|
|
Heating element connector and method
|
|
US929280A
(en)
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|
Lamp.
|
|
JP3555051B2
(ja)
|
|
ガラス封着用金属線および管球ならびに電気部品
|
|
BE340112A
(en:Method)
|
|
|
|
CN217607123U
(zh)
|
|
一种吸顶灯磁性老练治具
|
|
FR2833748A1
(fr)
|
|
Tube electronique a collecteur simplifie
|
|
US2868978A
(en)
|
|
Test apparatus
|
|
US6486592B1
(en)
|
|
Integral night vision tube contact assembly and method of making
|
|
RU212241U1
(ru)
|
|
Герметичное устройство с тоководом
|
|
BE423062A
(en:Method)
|
|
|
|
BE463587A
(en:Method)
|
|
|
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BE505828A
(en:Method)
|
|
|
|
US814162A
(en)
|
|
Electric incandescent lamp.
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|
DE693059C
(de)
|
|
Elektrische Mischlichtlampe, bestehend aus einer Hochdruckentladungsroehre und einem als Vorschaltwiderstand dienenden Gluehdraht
|
|
US819793A
(en)
|
|
Electric incandescent lamp.
|
|
JPH07111194A
(ja)
|
|
照明器具
|
|
RU181310U1
(ru)
|
|
Герметичное устройство с тоководом
|
|
BE372515A
(en:Method)
|
|
|