US3656515A
(en )
1972-04-18
Shaped tube
US976573A
(en )
1910-11-22
Piling.
US2018625A
(en )
1935-10-22
Piling
GB429112A
(enrdf_load_stackoverflow )
1900-01-01
US2093208A
(en )
1937-09-14
Method of making sheet metal piling
CN110485627A
(zh )
2019-11-22
一种上下翼板尺寸不同的工字钢及其制作方法
US424798A
(en )
1890-04-01
Composite girder
GB190007643A
(en )
1900-05-26
Improvements in Casks or Drums.
GB191008990A
(en )
1911-04-13
Improvements in Members for Iron or other Metal Constructional Work.
US1052251A
(en )
1913-02-04
Sheet-piling.
GB461489A
(en )
1937-02-17
Improvements in the manufacture of driving piles
US936529A
(en )
1909-10-12
Sheet-piling.
GB482046A
(enrdf_load_stackoverflow )
1900-01-01
US1498444A
(en )
1924-06-17
Metal sheet piling
GB190618935A
(en )
1907-02-28
Improvements in or relating to Metallic Piling.
GB378575A
(en )
1932-08-18
Improvements in and relating to metal sheet piling
US308825A
(en )
1884-12-02
Structural shape for columns
US850044A
(en )
1907-04-09
Interlocking metal sheet-piling.
GB190600068A
(en )
1906-03-08
Improvements in or relating to Metallic Piling.
US801946A
(en )
1905-10-17
Metal sheet-piling.
GB249573A
(en )
1926-03-29
Improvements in or relating to sheet metal piling
GB1161056A
(en )
1969-08-13
Improved Weldable High Tensile Strength Steel Capable of providing Weld Heat-Affected Zone of High Toughness
GB419139A
(en )
1934-11-05
Improvements in piles and sheet piling walls
GB190611290A
(en )
1906-09-13
Improvements in or relating to Metallic Piling.
GB190811863A
(en )
1908-11-26
Improvements in I-sections for Iron or the like.