|
US1535312A
(en)
|
|
Waterproof covering for cameras
|
|
US3832724A
(en)
|
|
Video photo recording device for the inspection of the interior of pipes
|
|
SU84494A1
(enrdf_load_html_response)
|
|
|
|
JPH06194731A
(ja)
|
|
水中現場撮影カメラのための装置
|
|
US2812697A
(en)
|
|
Stepped progression borehole camera apparatus
|
|
JPS56128930A
(en)
|
|
Camera with telephotographic device
|
|
US2667109A
(en)
|
|
Camera assembly for photographing cavity walls
|
|
JP6858414B2
(ja)
|
|
地質調査に用いる透明管の開口端を塞ぐジョイント部材
|
|
US2760417A
(en)
|
|
Submersible photographic apparatus
|
|
US3621767A
(en)
|
|
Pipe camera for photographing the interior of a pipe or the like
|
|
JPS6240516B2
(enrdf_load_html_response)
|
|
|
|
KR100272428B1
(ko)
|
|
수중 촬영기의 보조기구
|
|
KR102624851B1
(ko)
|
|
수중 영상 촬영 장치
|
|
US1960038A
(en)
|
|
Well surveying device
|
|
US1657795A
(en)
|
|
Motion-picture camera
|
|
US1925223A
(en)
|
|
Method and apparatus for determining the inclination of alpha well
|
|
US2940370A
(en)
|
|
Bottom hole camera
|
|
JPS59131919A
(ja)
|
|
防水構造を有するカメラ
|
|
SU972067A1
(ru)
|
|
Устройство контрол стенок скважины
|
|
JP2855550B2
(ja)
|
|
カメラ用連動装置
|
|
US3040566A
(en)
|
|
Apparatus for locating leaks in well casings
|
|
US1682873A
(en)
|
|
Camera
|
|
CN217846755U
(zh)
|
|
一种相机镜头快速调节装置
|
|
US3377934A
(en)
|
|
Borehole camera
|
|
US2943546A
(en)
|
|
Shutterless camera for taking pictures of the wall of a well or the like
|