|
CN112281656A
|
|
Combined multi-span bridge plate connecting structure
|
|
CN111485577A
|
|
Sealing assembly for pipe gallery cross joint
|
|
CN111571120A
|
|
Processing method of large-size arched corrugated steel plate
|
|
WO2020211558A1
|
|
Fabricated anti-floating device for steel structure pipe gallery
|
|
WO2020220825A1
|
|
Corrugated steel sheet rolling punching machine
|
|
WO2021077651A1
|
|
Hole-punching device for arc-shaped corrugated plate
|
|
WO2021012678A1
|
|
Corner connection structure for pipeline or container having box-shaped steel corrugated plate structure
|
|
WO2020228397A1
|
|
Box steel structure pipe corrugated steel plate, and steel structure cable utility tunnel
|
|
CN111135992A
|
|
Heating equipment suitable for powder spraying of oversized metal workpiece
|
|
CN110792103A
|
|
Underground pipeline with integrated supporting piles and pipeline wall and construction method
|
|
CN110883198A
|
|
Corrugated plate perforating device
|
|
CN110883197A
|
|
Arc corrugated plate perforating device
|
|
CN110449835A
|
|
A kind of production method of assembling type steel structure piping lane arched corrugated steel plate board wall
|
|
CN110409495A
|
|
The corner part connection structure of box steel corrugated board structures pipeline or container
|
|
CN110293156A
|
|
For clamping the fixture of corrugated steel and using the method for its bending corrugated steel
|
|
CN110465585A
|
|
A kind of corrugated steel rolling punch machine
|
|
CN110206060A
|
|
Assembling type steel structure box pipe gallery foundation pit supporting construction and construction method
|
|
CN109746680A
|
|
The cutting device of arch corrugated plate on continuously shaped production line
|
|
WO2019157809A1
|
|
Steel longitudinal seam sealing structure of underground integrated pipe gallery
|
|
WO2019157808A1
|
|
Circumferential seam sealing structure of underground integrated pipe gallery
|
