law of resistance processor
Product Details
there are two nicke wires ,one copper wire,one iron wire,each one is 100cm in the wooden board.there is binding post in the wire
law of resistance processor
- Country:China (Mainland)
- telephone:86-573-82697328,82698068
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law of resistance processor with accumulator ,single knife switch,DC amperemeter,voltameter can do many kinds of experiment |
