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fig 874A Axometrie, posted by Frieke Stouthuysen at 11.06.21 (filed under: steel)
fig A , posted by Frieke Stouthuysen at 11.06.21 (filed under: steel)
fig B , posted by Frieke Stouthuysen at 11.06.21 (filed under: steel)
fig C , posted by Frieke Stouthuysen at 11.06.21 (filed under: steel)
fig D , posted by Frieke Stouthuysen at 11.06.21 (filed under: steel)
fig E , posted by Frieke Stouthuysen at 11.06.21 (filed under: steel)
fig F , posted by Frieke Stouthuysen at 11.06.21 (filed under: steel)