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US1032267A
(en)
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Means for transforming electric energy into heat.
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GB1569305A
(en)
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High pressure discharge lamp
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US4149104A
(en)
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Method of manufacturing a coil heater of an indirectly-heated type cathode electrode of electronic tubes
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JP4112169B2
(ja)
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赤外線電球
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BE334377A
(forum.php)
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US2120561A
(en)
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Composite metallic bodies
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US1989954A
(en)
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Electric discharge tube
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WO2012001294A1
(fr)
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Canne chauffante comprenant une enveloppe dans laquelle au moins une résistance électrique chauffante est montée
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BE335668A
(forum.php)
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US2629065A
(en)
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Overwound filament
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JP3589117B2
(ja)
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ランプ
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BE360364A
(forum.php)
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JP7351247B2
(ja)
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ハロゲンランプ
|
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US20090261729A1
(en)
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Discharge lamp exhibiting reduced thermal stress and method of making such a lamp
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CN212080890U
(zh)
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一种硬镍丝软灯条芯柱
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JP3040731U
(ja)
|
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シーズヒータ
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BE351075A
(forum.php)
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JPS6046788B2
(ja)
|
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ヒ−タ−における電熱線と端子棒との接続部の構造及び電熱線と端子棒との接続方法
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CH89630A
(fr)
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Ampoule à vide "genre Audion".
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RU41511U1
(ru)
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Электронагреватель трубчатый
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BE387508A
(forum.php)
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BE373611A
(forum.php)
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BE395438A
(forum.php)
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JP2013149356A
(ja)
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筒形ヒューズ
|
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JP2000223249A
(ja)
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加熱・暖房装置
|