US3656515A
(en )
1972-04-18
Shaped tube
US183160A
(en )
1876-10-10
Improvement in composite metallic girders
US1775850A
(en )
1930-09-16
Sheet-piling section
GB437932A
(en )
1935-11-07
Improvements in or relating to sheet metal piles
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
GB637844A
(en )
1950-05-24
A new or improved metal beam or column
GB1360954A
(en )
1974-07-24
Means for joining concrete piles in end-to-end relation
GB462070A
(en )
1937-03-02
Improvements in or relating to built-up box-section girders or frame members
GB190706212A
(en )
1908-03-14
Improvements in and relating to Metal Sheet Piling.
GB435630A
(en )
1935-09-25
Improvements in girders
GB190007643A
(en )
1900-05-26
Improvements in Casks or Drums.
US951667A
(en )
1910-03-08
Tunnel-segment.
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
US1004011A
(en )
1911-09-26
Metal piling.
US936529A
(en )
1909-10-12
Sheet-piling.
GB482046A
(enExample )
1900-01-01
GB190618935A
(en )
1907-02-28
Improvements in or relating to Metallic Piling.
US901241A
(en )
1908-10-13
Metal piling.
GB378575A
(en )
1932-08-18
Improvements in and relating to metal sheet piling
US308825A
(en )
1884-12-02
Structural shape for columns
US801946A
(en )
1905-10-17
Metal sheet-piling.
GB1161056A
(en )
1969-08-13
Improved Weldable High Tensile Strength Steel Capable of providing Weld Heat-Affected Zone of High Toughness