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According to the
increasing developing importance of tunnel
and underground spaces from different sides
such as protection, environment, and thrift
in using energy and …To this, studies
designs and administrative matters of this
kind of factors are clear more than past
time. In This way, Iranian tunneling
association had many activities with
cooperation, Because of expanding and
qualitative development of professional
forces and improvement of instructive
researchable and administrative matters and
was known on the national members of
international tunnel association: |
