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I.Features
a) The stracture is simple.They can be fixed
quickly and save space.
b) Has many diffeent types,which can be available
for all situation.
c) Even having been fixed ready,the plastic
pipe body can rotate.
d) Releasing-ring is elliptic, and it is
convenient to tade down it.
e) All the pipe tap precoat polytef leakage-proof
glue which improve the gas proofness
f) All PC type Barrel straight-way joint
have hexagon hole and is convenient to be fixed at narrow
place.
II.Model code
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