invention of the light bulb

...seal, which is required in electronic devices such as , vacuum tubes, cathode ray tubes, and in vacuum systems in chemistry and other sc...

Application Introduction: Neon lights are the beauticians of the city. When night falls and the lights are on, the colorful neon lights dress up the c...

... traditional . This dimmable emits a soft, warm white that suits every occasion. This remarkable innovation will make a wond...

100W White LED Corn With Aluminum Fin Radiator Lamp Weight 1.0Kg LED Corn Product Description: This LED corn is a strong invent...

... E40/E39/E27 Industrial Canopy 60W 80W 100W 120W 150W 200W This DOB UFO LED High Bay is our newest model, and has two install...

360 degree led G24Q GX24 G24D20W18W15W12W10W8W7W6W5W led pl lamp /plc 4 pin led g24 lamp with 2835led replace HPS MHL HID AC 85-265V Features: indepen...

... is a genius innovation of circuit technology, laying less space and materials for more complex and large-scale circuits. The printed circuit board...

... and the remaining balance is Iron. Kovar controlled expansion alloy, was to meet the need for a reliable glass-to-metal seal, which is re...

...KV-1, Dilver Po, Vacon 12) TANKII ALLOY-4J29 also known as Kovar alloy. it was to meet the need for a reliable glass-to-metal seal, which ...

... Rod Bar also known as Fe-Ni-Co Glass Sealing Alloy. it was to meet the need for a reliable glass-to-metal seal, which is required in elec...