|
GB642707A
|
|
Improvements in or relating to joints between precast reinforced concrete members
|
|
GB535380A
|
|
Improvements in or relating to method of and apparatus for making molded articles
|
|
GB533216A
|
|
Improvements in or relating to the manufacture of concrete articles
|
|
GB492280A
|
|
Improvements in or relating to a method of and apparatus for making expanded cement articles
|
|
GB493133A
|
|
Improvements in or relating to building structures, such as walls and the like
|
|
GB476340A
|
|
Improvements in or relating to method and apparatus for making concrete articles
|
|
CA391005A
|
|
Concrete article making apparatus
|
|
CA391864A
|
|
Drainage system for basement walls
|
|
CA467791A
|
|
Precast concrete structural members and their connections
|
|
CA394168A
|
|
Building member
|
|
CA391006A
|
|
Slab moulding apparatus
|
|
CA375395A
|
|
Expanded cement article makin apparatus
|
