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| 【Type
of protection tube】 |
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|
| Straight
poll paper tube |
|
Oblique
poll paper tube |
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| Heat-resistant
fiber tube |
|
Heat-resistant
fiber casing pipe |
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| 【Type
of protection cap】 |
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| Aluminum
cap |
Iron
cap |
Resin
cap |
Paper
cap |
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| 【Length
of protection tube】 |
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|
150mm |
300mm |
400mm |
700mm |
1000mm |
1200mm |
1500mm |
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